21321297222330768

Names of 21321297222330768

• Cardinal: 21321297222330768 can be written as Twenty-one quadrillion, three hundred twenty-one trillion, two hundred ninety-seven billion, two hundred twenty-two million, three hundred thirty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1321297222330768 × 10¹⁶

Factors of 21321297222330768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 153223074450

Divisors of 21321297222330768

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 223 312 446 624 669 892 1338 1784 2676 2899 3568 5352 5798 8697 10704 11596 17394 23192 34788 46384 69576 139152 153223074209 306446148418 459669222627 612892296836 919338445254 1225784593672 1838676890508 1991899964717 2451569187344 3677353781016 3983799929434 5975699894151 7354707562032 7967599858868 11951399788302 15935199717736 23902799576604 31870399435472 34168745548607 47805599153208 68337491097214 95611198306416 102506236645821 136674982194428 205012473291642 273349964388856 410024946583284 444193692131891 546699928777712 820049893166568 888387384263782 1332581076395673 1640099786333136 1776774768527564 2665162152791346 3553549537055128 5330324305582692 7107099074110256 10660648611165384 21321297222330768
• Sum of all divisors σ(n): 59582937529597440
• Sum of proper divisors (its aliquot sum) s(n): 38261640307266672
• 21321297222330768 is an abundant number, because the sum of its proper divisors (38261640307266672) is greater than itself. Its abundance is 16940343084935904

Bases of 21321297222330768

• Binary: 1001011101111111001101101011011000101100110100110010000₂
• Hexadecimal: 0x4BBF9B5B166990
• Base-36: 5TXROQ2LF2O

Squares and roots of 21321297222330768

• 21321297222330768 squared (21321297222330768²) is 454597715242969722963162399469824
• 21321297222330768 cubed (21321297222330768³) is 9692613003287843786320070685475892024576762744832
• The square root of 21321297222330768 is 146018140.0454435591
• The cube root of 21321297222330768 is 277292.3413451207

Scales and comparisons

• 21,321,297,222,330,768 seconds is equal to 677,951,300 years, 29 weeks, 3 days, 14 hours, 32 minutes, 48 seconds.
• To count from 1 to 21,321,297,222,330,768 would take you about two billion, thirty-three million, eight hundred fifty-three thousand, nine hundred one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21321297222330768 cubic inches would be around 23107.7 feet tall.

Recreational maths with 21321297222330768

• 21321297222330768 backwards is 86703322279212312
• The number of decimal digits it has is: 17
• The sum of 21321297222330768's digits is 60
• More coming soon!